Examine source code of SkillPort Submission Tracker

{
  "manifest_version": 2,
  "name": "SkillPort Submission Tracker",
  "version": "1.0.2",
  "description": "Track coding submissions on LeetCode, GeeksforGeeks, and Codeforces.",
  "permissions": [
    "storage",
    "activeTab",
    "https://leetcode.com/*",
    "https://www.geeksforgeeks.org/*",
    "https://codeforces.com/*",
    "http://localhost:5000/*",
    "tabs",
    "https://skillport-backend.onrender.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "SkillPort Submission Tracker"
  },
  "web_accessible_resources": [
    "popup.html",
    "test-submission.html",
    "test-submission.js"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://leetcode.com/problems/*"
      ],
      "js": [
        "leetcode.js"
      ]
    },
    {
      "matches": [
        "https://www.geeksforgeeks.org/*"
      ],
      "js": [
        "geeksForGeeks.js"
      ]
    },
    {
      "matches": [
        "https://codeforces.com/contest/*/submission/*",
        "https://codeforces.com/problemset/status/*"
      ],
      "js": [
        "codeforces.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{fe44e582-6be1-4957-8cfe-f32f97ee65f3}"
    }
  }
}